Company lists · Data refreshed November 2026

Top 25 Vulnerability management firms worldwide

Name: Vulnerability management firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 15,574 companies tracked

RevenueBase identified 15,574 company matches for vulnerability management firms worldwide as of November 2026 and tracks 266,738 professional contacts across them, including 94,841 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for vulnerability management firms worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for vulnerability management firms follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built

15,574Companies

266,738Contacts tracked

94,841Verified emails

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The 25 largest vulnerability management firms worldwide

Ranked by team size

Top 25 of 15,574 company matches for vulnerability management firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Palo Alto Networks	Exact match	Santa Clara, United StatesHQ recorded Nov 6, 2026	10001+	21,906 contacts →
	Exact match “Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Fortinet	Exact match	Sunnyvale, CA, United StatesHQ recorded Nov 6, 2026	10001+	15,414 contacts →
	Exact match “Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Private Sector	Exact match	United StatesHQ recorded Nov 6, 2026	n/a	13,149 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Sophos	Exact match	Abingdon, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	5,283 contacts →
	Exact match “Sophos, a global cybersecurity leader, defends more than organizations worldwide with Sophos Fusion, the industry's first and most complete AI-native cybersecurity defense system…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Orange Cyberdefense	Exact match	Nanterre, FranceHQ recorded Nov 6, 2026	1,001-5,000	3,977 contacts →
	Exact match “Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Bugcrowd	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	n/a	3,342 contacts →
	Exact match “We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Qualys	Exact match	Foster City, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,323 contacts →
	Exact match “Qualys, Inc.(NASDAQ: QLYS) is a leading provider of disruptive cloud-based security, compliance and IT solutions with more than subscription customers worldwide, including a…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Tenable	Exact match	Columbia, MD, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,270 contacts →
	Exact match “Tenable is the exposure management company, exposing and closing the cybersecurity gaps that erode business value, reputation and trust.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,171 contacts →
	Exact match “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Site سايت	Exact match	Al Nakheel, Saudi ArabiaHQ recorded Nov 6, 2026	501-1,000	1,514 contacts →
	Exact match “We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Thales Cybersecurity Products	Exact match	Austin, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,413 contacts →
	Exact match “Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Sangfor Technologies	Exact match	Shenzhen, ChinaHQ recorded Nov 6, 2026	5,001-10,000	1,403 contacts →
	Exact match “Sangfor Technologies is a global leader in cybersecurity, cloud computing, and IT infrastructure, providing fully integrated and AI-driven solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Guidepoint Security	Exact match	Reston, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,346 contacts →
	Exact match “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Forescout Technologies INC	Exact match	San Jose, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,236 contacts →
	Exact match “As AI-driven vulnerability and exploitation accelerate attack velocity to machine speed, Forescout is a foundational cyber defense layer that allows organizations to segment and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Imperva	Exact match	Austin, TX, United StatesHQ recorded Nov 6, 2026	10001+	1,192 contacts →
	Exact match “On Dec.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	SNYK	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,183 contacts →
	Exact match “Snyk, the leader in secure AI software development, empowers organizations to build fast and stay secure by unleashing developer productivity and reducing business risk.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Irdeto	Exact match	Hoofddorp, MN, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	1,091 contacts →
	Exact match “Irdeto, a CANAL+ company, is the world leader in digital platform cybersecurity, empowering businesses to innovate for a secure, connected future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Brosnan Risk Consultants	Exact match	Pearl River, CA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	1,080 contacts →
	Exact match “Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Ensign Infosecurity	Exact match	Kuala, SingaporeHQ recorded Nov 6, 2026	501-1,000	989 contacts →
	Exact match “Ensign InfoSecurity is the largest pure-play end-to-end cybersecurity service provider in Asia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Coalfire	Exact match	Chicago, GA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	977 contacts →
	Exact match “Coalfire is the premier Cybersecurity and Compliance Services leader for the tech, healthcare, and finance industries.(This page is maintained by Marketing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	ARMIS	Exact match	San Francisco, United StatesHQ recorded Nov 6, 2026	501-1,000	930 contacts →
	Exact match “Armis, the cyber exposure management & security company, protects the entire attack surface and manages an organization’s cyber risk exposure in real time.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Quantum SKY	Exact match	Reston, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	921 contacts →
	Exact match “Quantum Sky is a mission technology company that builds secure AI, cyber, cloud, and quantum capabilities for defense, intelligence, and federal civilian agencies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Cyderes	Exact match	Kansas City, MO, United StatesHQ recorded Nov 6, 2026	1,001-5,000	909 contacts →
	Exact match “Cyderes is a global managed cybersecurity services partner dedicated to defending against today’s relentless threatscape.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Levelblue	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	829 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	SISA	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	1,001-5,000	755 contacts →
	Exact match “SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “vulnerability management firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 15,574 vulnerability management firms worldwide

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Vulnerability management firms worldwide at a glance

As of Nov 6, 2026

35.6%Verified-email coverage

17.1Average contacts per company

1-10Median size (employees)

2.4%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

8,749

11-50

5,118

51-200

1,270

201-500

256

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for vulnerability management firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “vulnerability management firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 94,841 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Vulnerability management firms by location

125 lists · largest first

Every Vulnerability management firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “vulnerability management firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many vulnerability management firms are there worldwide?

RevenueBase identified 15,574 company matches for vulnerability management firms worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Palo Alto Networks tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most vulnerability management firms?

The United States leads with 3,999 companies, followed by India (1,448) and the United Kingdom (898). Every vulnerability management firms list by country and city is linked on this page.

Which city has the most vulnerability management firms?

London leads with 368 company records, followed by Dubai (177) and Bangalore (156).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 94,841 professional contacts with verified work emails tracked across these 15,574 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.